Recently Found Luger

[Ron Smith]

Those are 1920 - 1921 era proofs. Referred to as "Dove" proofs.

Did your Grandfather serve in the European theater during WWII? If so he could have brought it home. These pistols served the German police and military through WWII.

Or he could have purchased it at any time after the war. Lugers were sold on the gun market by the thousands. Many were purchased by mail order prior to 1968.